Size 2 Extra Small

Length: 5" - 7.5"

Neck: 5.5" - 7.5"

Girth: 8.5" - 10.5"

Size Extra Small

Length: 7.5" - 10"

Neck: 7.5" - 9.5"

Girth: 10.5" - 13"

Size Small

Length: 9.5" - 12"

Neck: 9" - 11"

Girth: 12.5" - 16"

Size Medium

Length: 11.5" - 14"

Neck: 10.5" - 12.5"

Girth: 15.5" - 18"

Size Large

Length: 13.5" - 16.5"

Neck: 12" - 14"

Girth: 17.5" - 20.5"

Size Extra Large

Length: 15.5" - 18.5"

Neck: 13.5" - 15.5"

Girth: 20" - 23"

Size 2 Extra Large

Length: 17.5" - 21"

Neck: 15" - 17.5"

Girth: 22" - 25.5"

Size 3 Extra Large

Length: 21" - 24.5"

Neck: 16.5" - 20"

Girth: 24.5" - 29.5"

Size 4 Extra Large

Length: 24.5" - 28.5"

Neck: 19" - 22.5"

Girth: 28.5" - 33"